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Forged steel socket welding lift check valve

Forged steel socket welding lift check valve

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Forged Steel Valve
Describe
Forged steel lift check valve overview
 
The h61y forged steel lift check valve is available in three bonnet designs. The first type is a bolt-type bonnet. The valve is designed according to this design. The valve body and the bonnet are connected by bolts and nuts, and the wound gasket (made of 316 clamp flexible graphite) is sealed. Metal rings can also be used when customers have special requirements. The second design form is a welded bonnet. According to this design, the valve body and the bonnet are screwed and fully welded. Full penetration connections are also available when the customer has special requirements. The third type is a pressure self-tightening valve cover. The valve designed according to this design form has a valve body and a valve cover which are screwed, and an internal pressure is sealed from the sealing ring. There are three different designs for check valves: lift check valves, ball check valves and swing check valves. Forged steel lift check valve design structure and characteristics h61y forged steel lift check valve is designed and manufactured in accordance with mssp-118 and asme b16.34. Test and test by api 598, mark by mss-sp-25.
 
Forged steel lift check valve adopts the following structure
 
☆ full diameter or reduced diameter
☆ lift check valve
☆ ball check valve
☆ Swing check valve
☆ Built-in springs on demand
☆ bolted, wound gasket sealed bonnet; threaded connection, fully welded sealed bonnet and threaded internal pressure self-tightening bonnet
☆Integral upper seal seat
☆ socket end meets asme b16.11
☆Threaded end (npt) conforms to ansi/asme b1.20.1
☆Valve can be converted into throttle type, needle type, ball type Forged steel lifting check valve
 
 
Check valve standard material list
Serial number Part Name cs to astm as to astm ss to astm
type a105n type f22 type f304(l) type f316(l)
1 Valve body a105n a182 f22 a182 f304(l) a182 f316(l)
2 Lifting valve a276 420 a276 304 a276 304(l) a276 316(l)
3 Gasket 316proper temperature 316 ptfe
4 cap a105n a182 f22 a182 f304(l) a182 f316(l)
5 Nameplate ss
6 bolt a193 b7 a193 b16 a193 b8(m) a193 b8(m)
7 ball a182 f420/stl a182 f304 a182 f304 a182 f304
Applicable medium Water, steam, oil, etc. Water, steam, oil, etc. Nitric acid, acetic acid, etc.
proper temperature -29°c~425°c -29°c~550°c -29°c~200°c
※ Note: Other materials required by customers can also be used. The sealing surface material pairing is determined by the customer specified internal code.
Cs=carbon steel; as=alloy steel; ss=stainless steel; forged steel lift check valve size (mm) and weight (kg)
nps Reduced diameter 3/8 1/2 3/4 1 11/4 11/2 2 /
Full path / 3/8 1/2 3/4 1 11/4 11/2 2
l 79, 79 92 111 120 152 172 200
w 61 61 65 79 95 103 118 132
weight Bolt type 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.3 4.9 8.1 10.9